Authors:

The most terrible thing of all is happy love, for then there is fear in everything.

Cosima Wagner, Martin Gregor-Dellin, Dietrich Mack, Geoffrey Skelton (1978). “Cosima Wagner's Diaries: 1869-1877”, Houghton Mifflin Harcourt P
The most terrible thing of all is happy love, for then there is fear in everything.